Patents by Inventor Gyeong Shin CHOI

Gyeong Shin CHOI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10759979
    Abstract: In the present invention, there is provided an adhesive composition which comprises carbon nanotubes and thus, exhibits high adhesive strength due to excellent lap shear strength.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Wan Kyu Oh, Seung Young Park, Gyeong Shin Choi
  • Publication number: 20200247924
    Abstract: The present invention provides an organometal catalyst having a cationic transition metal complex and a borate-based bulky anion, a method for preparing the same, and a method for preparing an oligomer using the same.
    Type: Application
    Filed: March 21, 2019
    Publication date: August 6, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Gyeong Shin Choi, Dong Hyun Jo, Hyun Taek Oh, Won Hee Kim, Seung Young Park
  • Publication number: 20190322912
    Abstract: The present disclosure relates to an acrylic adhesive composition exhibiting excellent lap shear strength and adhesive strength by including an adhesion enhancer of a specific component.
    Type: Application
    Filed: May 2, 2018
    Publication date: October 24, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Wan Kyu Oh, Gyeong Shin Choi, Seung Young Park
  • Publication number: 20190300754
    Abstract: A two-component adhesive composition includes: (i) a first part of a (meth)acrylate-based monomer mixture including components (a1) to (a3) below: (a1) an alkyl (meth)acrylate compound, and any one or more of a (meth)acrylate compound having an alkoxysilyl group, and a (meth)acrylate compound having an unsaturated functional group except for an acryloyl group, (a2) 50 to 100 parts by weight of an adhesive reinforcing agent relative to the 100 parts by weight of the (meth)acrylate-based monomer mixture, and (a3) 1 to 10 parts by weight of a filler relative to the 100 parts by weight of the (meth)acrylate-based monomer mixture; and (ii) a second part including components (b1) and (b2) below with a weight ratio of 1:1 to 20:1, where (b1) 100 parts by weight of an epoxy resin, and (b2) 50 to 150 parts by weight of an initiator with respect to (b1).
    Type: Application
    Filed: May 25, 2018
    Publication date: October 3, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Wan Kyu Oh, Gyeong Shin Choi, Seung Young Park
  • Publication number: 20190153271
    Abstract: In the present invention, there is provided an adhesive composition which comprises carbon nanotubes and thus, exhibits high adhesive strength due to excellent lap shear strength.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 23, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Wan Kyu OH, Seung Young PARK, Gyeong Shin CHOI